1492247471 has 16 divisors (see below), whose sum is σ = 1856258208. Its totient is φ = 1178572800.

The previous prime is 1492247443. The next prime is 1492247473. The reversal of 1492247471 is 1747422941.

It is a cyclic number.

It is not a de Polignac number, because 1492247471 - 2²² = 1488053167 is a prime.

It is a super-3 number, since 3×1492247471³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492247473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304490 + ... + 309351.

It is an arithmetic number, because the mean of its divisors is an integer number (116016138).

Almost surely, 2^1492247471 is an apocalyptic number.

1492247471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1492247471 is a deficient number, since it is larger than the sum of its proper divisors (364010737).

1492247471 is a wasteful number, since it uses less digits than its factorization.

1492247471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613882.

The product of its digits is 112896, while the sum is 41.

The square root of 1492247471 is about 38629.6190895018. The cubic root of 1492247471 is about 1142.7387396331.

The spelling of 1492247471 in words is "one billion, four hundred ninety-two million, two hundred forty-seven thousand, four hundred seventy-one".